Antenna



FIG. 1 is a rear isometric view of a first embodiment of an antenna, inaccordance with our design;

FIG. 2 is a front isometric view of the antenna of FIG. 1;

FIG. 3 is another rear isometric view of the antenna of FIG. 1;

FIG. 4 is a rear view of the antenna of FIG. 1;

FIG. 5 is a front view of the antenna of FIG. 1;

FIG. 6 is a right-side view of the antenna of FIG. 1;

FIG. 7 is a left-side view of the antenna of FIG. 1;

FIG. 8 is a top view of the antenna of FIG. 1; and

FIG. 9 is a bottom view of the antenna of FIG. 1.

FIG. 10 is a rear isometric view of a second embodiment of an antenna,in accordance with our design;

FIG. 11 is a front isometric view of the antenna of FIG. 10;

FIG. 12 is another rear isometric view of the antenna of FIG. 10;

FIG. 13 is a rear view of the antenna of FIG. 10;

FIG. 14 is a front view of the antenna of FIG. 10;

FIG. 15 is a right-side view of the antenna of FIG. 10;

FIG. 16 is a left-side view of the antenna of FIG. 10;

FIG. 17 is a top view of the antenna of FIG. 10; and,

FIG. 18 is a bottom view of the antenna of FIG. 10.

CLAIM The ornamental design for an antenna, as shown and described.